content: /* ===========================================================
  /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * ------------------------------------------
   * DefaultMultiValueCategoryDatasetTests.java
   * ------------------------------------------
   * (C) Copyright 2007, 2008, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 28-Sep-2007 : Version 1 (DG);
   *
   */
  
  package org.jfree.data.statistics;
  
  import org.jfree.data.UnknownKeyException;
  import org.junit.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  import java.util.ArrayList;
  import java.util.List;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotSame;
  import static org.junit.Assert.assertSame;
  import static org.junit.Assert.fail;
  
  /**
   * Tests for the {@link DefaultMultiValueCategoryDataset} class.
   */
  public class DefaultMultiValueCategoryDatasetTest  {
  
  
  
  
  
      /**
       * Some checks for the getValue() method.
       */
      @Test
      public void testGetValue() {
          DefaultMultiValueCategoryDataset d
                  = new DefaultMultiValueCategoryDataset();
          List<Number> values = new ArrayList<Number>();
          values.add(1);
          values.add(2);
          d.add(values, "R1", "C1");
          assertEquals(1.5, d.getValue("R1", "C1"));
  
          try {
              d.getValue("XX", "C1");
              fail("UnknownKeyException should have been thrown on an unknown key");
          }
          catch (UnknownKeyException e) {
              assertEquals("Row key (XX) not recognised.", e.getMessage());
          }
  
          try {
              d.getValue("R1", "XX");
              fail("UnknownKeyException should have been thrown on an unknown key");
          }
          catch (UnknownKeyException e) {
              assertEquals("Column key (XX) not recognised.", e.getMessage());
          }
      }
  
      /**
       * A simple check for the getValue(int, int) method.
       */
      @Test
      public void testGetValue2() {
          DefaultMultiValueCategoryDataset d
                  = new DefaultMultiValueCategoryDataset();
  
          try {
              /* Number n =*/ d.getValue(0, 0);
              fail("IndexOutOfBoundsException should have been thrown on key out of range");
          }
          catch (IndexOutOfBoundsException e) {
              assertEquals("Index: 0, Size: 0", e.getMessage());
          }
      }
  
      /**
       * Some tests for the getRowCount() method.
       */
      @Test
      public void testGetRowCount() {
          DefaultMultiValueCategoryDataset d
                  = new DefaultMultiValueCategoryDataset();
          assertSame(d.getRowCount(), 0);
          List values = new ArrayList();
          d.add(values, "R1", "C1");
          assertSame(d.getRowCount(), 1);
  
          d.add(values, "R2", "C1");
          assertSame(d.getRowCount(), 2);
  
          d.add(values, "R2", "C1");
          assertSame(d.getRowCount(), 2);
      }
  
      /**
       * Some tests for the getColumnCount() method.
       */
      @Test
      public void testGetColumnCount() {
          DefaultMultiValueCategoryDataset d
                  = new DefaultMultiValueCategoryDataset();
          assertSame(d.getColumnCount(), 0);
  
          List values = new ArrayList();
          d.add(values, "R1", "C1");
          assertSame(d.getColumnCount(), 1);
  
          d.add(values, "R1", "C2");
          assertSame(d.getColumnCount(), 2);
  
          d.add(values, "R1", "C2");
          assertSame(d.getColumnCount(), 2);
  
      }
  
      /**
       * Confirm that the equals method can distinguish all the required fields.
       */
      @Test
      public void testEquals() {
          DefaultMultiValueCategoryDataset d1
                  = new DefaultMultiValueCategoryDataset();
          DefaultMultiValueCategoryDataset d2
                  = new DefaultMultiValueCategoryDataset();
          assertEquals(d1, d2);
          assertEquals(d2, d1);
  
          List<Number> values = new ArrayList<Number>();
          d1.add(values, "R1", "C1");
          assertFalse(d1.equals(d2));
          d2.add(values, "R1", "C1");
          assertEquals(d1, d2);
  
          values.add(99);
          d1.add(values, "R1", "C1");
          assertFalse(d1.equals(d2));
          d2.add(values, "R1", "C1");
          assertEquals(d1, d2);
  
          values.add(99);
          d1.add(values, "R1", "C2");
          assertFalse(d1.equals(d2));
          d2.add(values, "R1", "C2");
          assertEquals(d1, d2);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
  
          DefaultMultiValueCategoryDataset d1
                  = new DefaultMultiValueCategoryDataset();
  
  
  
          ByteArrayOutputStream buffer = new ByteArrayOutputStream();
          ObjectOutput out = new ObjectOutputStream(buffer);
          out.writeObject(d1);
          out.close();
  
          ObjectInput in = new ObjectInputStream(
                  new ByteArrayInputStream(buffer.toByteArray()));
          DefaultMultiValueCategoryDataset d2 = (DefaultMultiValueCategoryDataset) in.readObject();
          in.close();
  
          assertEquals(d1, d2);
  
      }
  
      /**
       * Some checks for the add() method.
       */
      @Test
      public void testAddValue() {
          DefaultMultiValueCategoryDataset d1
                  = new DefaultMultiValueCategoryDataset();
  
  
          try {
              d1.add(null, "R1", "C1");
              fail("IllegalArgumentException should have been thrown on a null key");
          }
          catch (IllegalArgumentException e) {
              assertEquals("Null 'values' argument.", e.getMessage());
          }
  
          List values = new ArrayList();
          d1.add(values, "R2", "C1");
          assertEquals(values, d1.getValues("R2", "C1"));
  
          try {
              d1.add(values, null, "C2");
              fail("IllegalArgumentException should have been thrown on a null key");
          }
          catch (IllegalArgumentException e) {
              assertEquals("Null 'rowKey' argument.", e.getMessage());
          }
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          DefaultMultiValueCategoryDataset d1
                  = new DefaultMultiValueCategoryDataset();
          DefaultMultiValueCategoryDataset d2 = (DefaultMultiValueCategoryDataset) d1.clone();
          assertNotSame(d1, d2);
          assertSame(d1.getClass(), d2.getClass());
          assertEquals(d1, d2);
  
          // try a dataset with some content...
          List<Number> values = new ArrayList<Number>();
          values.add(99);
          d1.add(values, "R1", "C1");
          d2 = (DefaultMultiValueCategoryDataset) d1.clone();
  
          assertNotSame(d1, d2);
          assertSame(d1.getClass(), d2.getClass());
          assertEquals(d1, d2);
  
          // check that the clone doesn't share the same underlying arrays.
          List<Number> values2 = new ArrayList<Number>();
          values2.add(111);
          d1.add(values2, "R2", "C2");
          assertFalse(d1.equals(d2));
          d2.add(values2, "R2", "C2");
          assertEquals(d1, d2);
      }
  
  }
  